CN1856246A - Threshing device and receiving net of the device - Google Patents
Threshing device and receiving net of the device Download PDFInfo
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- CN1856246A CN1856246A CNA2004800277663A CN200480027766A CN1856246A CN 1856246 A CN1856246 A CN 1856246A CN A2004800277663 A CNA2004800277663 A CN A2004800277663A CN 200480027766 A CN200480027766 A CN 200480027766A CN 1856246 A CN1856246 A CN 1856246A
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- threshing
- net
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- grain
- cylinder
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- 238000012216 screening Methods 0.000 claims description 59
- 230000004888 barrier function Effects 0.000 claims description 8
- 239000010902 straw Substances 0.000 abstract description 19
- 230000001737 promoting effect Effects 0.000 abstract 1
- 239000002699 waste material Substances 0.000 abstract 1
- 235000013339 cereals Nutrition 0.000 description 112
- 244000062793 Sorghum vulgare Species 0.000 description 16
- 235000019713 millet Nutrition 0.000 description 16
- 244000025254 Cannabis sativa Species 0.000 description 10
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 230000009471 action Effects 0.000 description 7
- 241000196324 Embryophyta Species 0.000 description 5
- 238000007599 discharging Methods 0.000 description 5
- 238000007670 refining Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
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- 230000007246 mechanism Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
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- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F7/00—Threshing apparatus
- A01F7/02—Threshing apparatus with rotating tools
- A01F7/06—Threshing apparatus with rotating tools with axles in line with the feeding direction ; Axial threshing machines
Abstract
A receiving net (23) of a threshing device capable of promoting the leak-down of grains and waste straw after threshing treatment at the front of the receiving net to sufficiently perform sorting treatment also at the start end part of a sorting part and disposed on the lower periphery of a threshing cylinder (22) horizontally installed in a threshing chamber (21) of the threshing device in the longitudinal direction. The receiving net comprises a front portion, a rear portion, and a longitudinally center portion, and is so formed that holes (73) at the front portion and the rear portion are larger than holes (74) at the longitudinally center portion.
Description
Technical field
What the present invention relates to the threshing apparatus of combine and threshing apparatus holds net (Shou Net) structure.
Background technology
In the past, in combine, dispose the threshing apparatus that constitutes by shelling portion and screening portion at the rear portion of holding up standing grain, reaping apparatus, utilize feeding chain to seize on both sides by the arms the gather in paddy stalk that gets off and be transported to the shelling portion of threshing apparatus, carry out threshing in this shelling portion and handle, and grain is screened by the screening portion of its below.This shelling portion is made of threshing cylinder and thereunder the net that holds of configuration, and threshing cylinder has planted a plurality of threshing teeth in its periphery, and to be arranged to can be that rotate at the center with the axle of general horizontal direction before and after being arranged on.Dispose below this threshing cylinder from the front and be seen as the roughly semicircular net that holds, this holds net and is configured in the mode around the below that covers this threshing cylinder.So, then will carry out threshing to grain, and grain or millet straw bits etc. are leaked down from holding net by the threshing tooth if make threshing cylinder rotate, the paddy stalk is transported to shelling portion.Grain that leaks down or millet straw bits etc. can be fallen on the oscillating riddle screening device of the screening portion that is disposed at shelling subordinate side, are filtered into refining grain or millet straw bits etc., and refining grain is stored in the tanker, and the millet straw bits then are discharged to outside the machine.
The above-mentioned net that holds can make grain leak down though mesh (hole) constitutes, and the size of its mesh (hole) constitutes the size bigger (for example with reference to patent documentation 1) that the boring ratio that is arranged at the rear portion is arranged on the hole of other parts (front portion).
Patent documentation 1: TOHKEMY 2003-259719 communique
Summary of the invention
; holding in the net of the threshing apparatus shown in the patent documentation 1; since be arranged on hold the net rear portion the hole compare; hold the big or small less of the anterior hole of net; if so carry the treating capacity of paddy stalk, threshing apparatus bigger in a large number; then will be restricted holding the anterior amount of leaking down of net, be easy to generate the situation of obstruction, and make the handled thing of grain or millet straw bits etc. be difficult to leak down.If be in this state, then the secondary thing of putting out cereal will become many, even the secondary thing reduction of putting out cereal also can't be handled fully, therefore causes vicious circle, the screening precision with variation, cause discharging grain.
Therefore problem to be solved by this invention is, also can carry out Screening Treatment fully at the leading section of screening portion, promotes the leaking down of grain, millet straw bits etc. after shelling is handled by the front portion of holding net.
The net that holds of threshing apparatus of the present invention is disposed at around below the threshing cylinder in the threshing chamber of fore-and-aft direction crossbearer at threshing apparatus, have forward part, rear section and front and back middle body, the hole of this forward part and this rear section is set to bigger than the hole of this front and back middle body.
In addition, the present invention is in above-mentioned above-mentioned rear section of holding net, a plurality of dividing plates is set continuously abreast with the direction of rotation of above-mentioned threshing cylinder shape, and do not dispose dividing plate on above-mentioned forward part.
In addition, threshing apparatus of the present invention, be disposed at and have preceding grain sliding plate the top of oscillating riddle screening device of the sorting unit at (stream plate) and its rear, in its threshing chamber, carry and use feeding chain along the paddy stalk at the past direction rear, at fore-and-aft direction crossbearer threshing cylinder, net is held in configuration around below this threshing cylinder, make the front portion of sending the dirt mouth of sending the dirt mouth to handle cylinder and below thereof relative with the side, rear portion of this threshing cylinder, this forward part of holding net is configured in the top of this preceding grain sliding plate, its rear section is configured in the side that this send the dirt mouth, central portion before and after it is configured in the top of this sorting unit, and the hole of this forward part and this rear section is set to bigger than the hole of this front and back middle body.Be that the above-mentioned net that holds is divided into a plurality of structures in the left and right sides.
In addition, in the present invention,, a plurality of dividing plates are set continuously abreast with the direction of rotation of above-mentioned threshing cylinder shape, and on above-mentioned forward part, do not dispose dividing plate in above-mentioned above-mentioned rear section of holding net.
In addition, in the present invention, the above-mentioned net that holds is fixed in the threshing chamber by the end of front side net compacting part with above-mentioned feeding chain side, on this front side net compacting part, a plurality of stop members (opposing portion material) are set abreast on the extension of aforementioned barriers with the threshing cylinder direction of rotation.
In addition, in the present invention, the height of aforementioned barriers is arranged to height height than the stop member of above-mentioned front side net compacting part.
The present invention has following effect.
Owing in the lower front of threshing cylinder the hole of holding net is set significantly, so the handled thing of threshing cylinder leaks down easily to the leading section of the oscillating riddle screening device that is used to swing screening.Thus,, also be difficult to produce the situation of obstruction, can promote the action of leaking down of handled thing with the front portion of holding net even carry the handled thing of grain that paddy stalk, threshing cylinder handle or millet straw bits a lot of in a large number.And, owing to below the central portion of the front and back of threshing cylinder, be provided with the less hole of aperture area of holding net, so handled thing leaks down from this hole than difficult.Therefore thus, the quantitative change of the handled thing that leaks down from the less hole of the aperture area that holds net gets less, can prevent that handled thing from concentrating on the leading section of oscillating riddle screening device and producing situation such as obstruction, can carry out Screening Treatment fully.
If holding the forward part of net (entrance side) configuration dividing plate, then when carrying a large amount of paddy stalks, the existence of this dividing plate can counteract the conveying and the flailing action of paddy stalk on the contrary, so by dividing plate not being configured in the forward part of holding net, can not make from the paddy stalk of holding up standing grain, reaping part to transport successfully to be transported in the threshing chamber with stagnating and to utilize the threshing tooth to carry out threshing, and can prevent near the inlet of shelling portion, to produce and stop up.And unthreshed situation can not take place by the dividing plate that is configured in the rear portion.
Threshing apparatus of the present invention; be disposed at the top of the oscillating riddle screening device of sorting unit with preceding grain sliding plate and its rear; in its threshing chamber, carry and use feeding chain along the paddy stalk at the past direction rear; at fore-and-aft direction crossbearer threshing cylinder; net is held in configuration around below this threshing cylinder; make the front portion of sending the dirt mouth of sending the dirt mouth to handle cylinder and below thereof relative with the side, rear portion of this threshing cylinder; this forward part of holding net is configured in the top of this preceding grain sliding plate; its rear section is configured in the side that this send the dirt mouth; central portion before and after it is configured in the top of this sorting unit; the hole of this forward part and this rear section is set to bigger than the hole of this front and back middle body; therefore even carry the handled thing of grain that paddy stalk and threshing cylinder handle or millet straw bits a lot of in a large number; the situation about stopping up of taking place can not held on the net forward part, so can promote handled thing leaking down to the preceding grain sliding plate of oscillating riddle screening device yet.On the other hand, because handled thing is difficult to leak down holding on the front and back middle body of net, the amount of the handled thing on advancing slip paddy postlaminar part and sorting unit that therefore leaks down can become less.So, when the handled thing that leaks down from the forward part of holding net and front and back middle body through preceding grain sliding plate when sorting unit falls, can prevent that handled thing from concentrating, producing situations such as obstructions in screening portion, so can carry out Screening Treatment fully at the leading section of screening portion.
In addition, because in above-mentioned above-mentioned rear section of holding net, with the direction of rotation of above-mentioned threshing cylinder a plurality of dividing plates are set continuously abreast shape, and on above-mentioned forward part, do not dispose dividing plate, therefore can not make from the paddy stalk of holding up standing grain, reaping part to transport successfully to be transported in the threshing chamber with stagnating and to utilize the threshing tooth to carry out threshing, and can prevent near the inlet of shelling portion, to produce obstruction.And unthreshed situation can not take place by the dividing plate that is configured in the rear portion.
In addition, because the above-mentioned Netcom of holding crosses front side net compacting part the end of above-mentioned feeding chain side is fixed in the threshing chamber, on this front side net compacting part, with the threshing cylinder direction of rotation a plurality of stop members are set on the extension of aforementioned barriers abreast, therefore when the paddy stalk rearward being carried in threshing apparatus by feeding chain, if dividing plate by holding net and the stop member on the net compacting part of front side float the paddy stalk upward, and the threshing tooth is rotated, then the contact length of paddy stalk and threshing tooth is elongated, and threshing efficiency will improve.That is to say,, therefore can improve the flailing action of threshing tooth, reduce the situation that does not have threshing because paddy stalk and threshing tooth are connected.And, while, therefore can improve the efficient of threshing owing to the counter-rotating of paddy stalk is carried it towards the rear by dividing plate and stop member.In addition, because stop member is configured on the extension of this dividing plate mutually continuously with dividing plate, so this stop member and dividing plate will roughly act on the paddy stalk of conveying simultaneously.Therefore, the posture of the paddy stalk of being carried is survivable, can carry out threshing expeditiously.
In addition, owing to the height height of the height of aforementioned barriers being arranged to than the stop member of above-mentioned front side net compacting part, therefore can make the overlapping scope of the threshing tooth and the dividing plate of threshing cylinder, overlapping scope greater than threshing tooth and stop member, so can improve the efficient of holding online threshing at the fringe point side place of paddy stalk, the thicker root side of paddy stalk then can not be shredded owing to the resistance of stop member or be crooked.
Description of drawings
Fig. 1 is the integral left end view of the grain combine of one embodiment of the present of invention.
Fig. 2 is the vertical view of grain combine.
Fig. 3 is the left surface schematic diagram of shelling portion and screening portion.
Fig. 4 is the front view of expression threshing chamber.
Fig. 5 is the front view of expression threshing chamber bottom.
Fig. 6 is the expanded view that net is held in expression.
Fig. 7 is the end view that holds net.
Fig. 8 is the perspective rear view of front side net compacting part.
Embodiment
At first, with Fig. 1, Fig. 2 the overall structure of grain combine of the present invention is described.
Upload at crawler type running device 1 and to be equipped with organism frame 2, liftably be equipped with at the front end of this organism frame 2 and hold up standing grain, reaping part 3.This holds up standing grain, reaping part 3, be extruded with the careless plate 4 of branch, the paddy stalk is dialled branch at front end, erect at its rear portion and to be provided with traction housing 5, by drawing the paddy stalk from the rotation of the outstanding rake teeth 6 of this traction housing 5, the cutter 7 that usefulness is provided in the careless plate of above-mentioned branch 4 rear portions is received the root of harvested cereal culm.
The paddy stalk that is gathered in will be carried to the rear portion by top conveying plant, bottom conveying plant, vertical conveying plant 8, and the root side is then accepted feeding chain 9 from the upper end of this vertical conveying plant 8, and the paddy stalk is transported in the shelling portion 20.Be equipped with row's stalk carrier chain 10 from these feeding chain 9 rear ends to oblique rear, dispose the row's stalk handling part 11 that constitutes with row's stalk cutter sweep, diffusion transporter etc. in these row's stalk carrier chain 10 lower rear, after the cut-out of paddy stalk is become paddy stalk sheet, while making its diffusion be discharged to the field equably, perhaps do not cut off just with its discharge.
Be equipped with the tanker 13 of the refining grain after being used for storing screening at the sidepiece of above-mentioned shelling portion 20, be equipped with driver's cabin 14 in these tanker 13 front portions.On the other hand, erect the vertical spire 15a that is provided with discharge spire (discharging オ one ガ) 15 at tanker 13 rear portions, with this vertical spire 15a is that the center turns discharge spire 15 and tanker 13, keeps in repair by making tanker 13 rotate the drive system or the oil hydraulic system that can easily be disposed the main frame private side towards the side.
Bottom at this tanker 13 is discharged conveyer 16 towards front and back to being equipped with, this rear portion of discharging conveyer 16 is communicated with the bottom of vertical spire 15a, and from this rear portion of discharging conveyer 16 with transmission of power to above-mentioned discharge spire 15, the grain in the tanker 13 are discharged on the truck etc. from the front end of discharging spire 15.And, below shelling portion 20, set screening portion 30, so that the grain that falls from shelling portion 20 or paddy stalk etc. are screened, will make with extra care grain and be transported to above-mentioned tanker 13, the millet straw bits are waited be discharged to outside the machine.
Next, the shelling portion 20 of threshing apparatus is described with Fig. 3.
In the threshing chamber 21 that is formed at shelling portion 20, be provided with the threshing cylinder 22 of substantial cylindrical shape that is located at the fore-and-aft direction of body with pedestal, on the outer peripheral face of this threshing cylinder 22, planted threshing tooth 22a, 22a.......And releasably surround be provided with semi-circular shape hold net 23 to cover the lower periphery of this threshing cylinder 22.On the other hand, by feeding chain 9,,, the paddy stalk is transported to the body rear Yi Bian the front of paddy stalk is inserted into the below of threshing cylinder 22 Yi Bian limit the root side of paddy stalk.At this moment, carry out threshing by the rotation of threshing cylinder 22, make grain or millet straw bits etc. leak down from holding net 23.
Side (tanker 13 sides from the rear portion of above-mentioned threshing cylinder 22, be right side in the present embodiment at the body direct of travel) rise and rearward to be formed with process chamber 25, in this process chamber 25, side at the rear portion of threshing cylinder 22, with threshing cylinder 22 abreast at the fore-and-aft direction crossbearer, be supported with the dirt mouth that send that constitutes the substantial cylindrical shape with axle and handle cylinder 26.And, side, rear portion (right side) at the threshing cylinder housing that covers threshing cylinder 22, formation threshing chamber 21, and cover on the side, front portion (left side) of the processing drum housing that gives the dirt mouth to handle cylinder 26, formation process chamber 25, offer and send dirt mouth 27, threshing chamber 21 is communicated with process chamber 25.And surround the processing cylinder net 28 that is provided with semi-circular shape, send the dirt mouth to handle the lower periphery of cylinder 26 to cover this.So, the thing that is untreated of the grain of having the branch stalk that can't handle in threshing cylinder 22 etc. can be handled in the process chamber 25 from sending dirt mouth 27 to be transported to, and has only the handled thing by the hole (mesh) of setting on above-mentioned processing cylinder 28 just can fall.
Below above-mentioned processing cylinder net 28, send dirt to carry conveyer 29 to being provided with pedestal towards front and back.Sending dirt to carry conveyer 29 is screw type conveyers, send dirt to carry conveyer 29 by this, can will handle the handled thing that leaks down in the hole (mesh) on the cylinder net 28 by being arranged on, (just handle the opposite direction of throughput direction of cylinder 26) towards body the place ahead and carry, and send dirt to carry the dust-exhausting port 29a of conveyer 29 front ends to put into once more the screening portion 30 from being arranged on sending the dirt mouth.
Then, with Fig. 3 the screening portion 30 of threshing apparatus is described.
In screening portion 30, carry out the swing screening of oscillating riddle screening device 31 and the wind filter of winnower winnowing machine 32, divide the first grain thing of hanking, the second grain thing, with the millet straw bits etc.
Oscillating riddle screening device 31 is housed in the machine frame 33.The front and back length of oscillating riddle screening device 31 is to be set at: its leading section extends to the below of the leading section of threshing cylinder 22, and the end extends to the below of sending the dirt mouth to handle cylinder 26 rearward end thereafter.Be provided with not shown swinging axle in oscillating riddle screening device 31 preceding bottoms, and be provided with wobble drive mechanism 34, oscillating riddle screening device 31 is swung with respect to machine frame 33 by wobble drive mechanism 34 at the rear portion.
Above-mentioned top sieve 38 can be regulated its aperture corresponding to the amount of putting into the handled thing in the oscillating riddle screening device 31, and grain and thinner millet straw bits drop to the below by top sieve 38, and the millet straw bits bigger than the opening of top sieve 38 wait then to be carried towards the rear.At this moment, rearward produce screening wind by winnower winnowing machine 32 from the place ahead of screening portion 30 between top sieve 38 and grain sieve 37, the thinner millet straw bits of a part are blown away towards the rear and are separated with grain.
Dispose winnower winnowing machine 32 in preceding grain sliding plate 35 lower rear of above-mentioned oscillating riddle screening device 31 and in the lower front of back grain sliding plate 36, top sieve 38, grain sieve 37 are screened air-supply.And, between first conveyer 41 and second conveyer 42, also be provided with second fan 43, screen air-supply as induced draft fan, even at more weak screening portion 30 rear portions of the screening wind-force of winnower winnowing machine 32, the screenability of pneumatic jig choosing is reduced.
Near the rearward end of oscillating riddle screening device 31; on whole width, be horizontally set with and attracted fan 40; the dust that is produced when dust that can come by this screening general mood stream that attracts 40 pairs in fan taking advantage of to supply with from above-mentioned winnower winnowing machine 32, second fan 43 or shelling etc. are attracted and are discharged to outside the machine.
Centre position, front and back below above-mentioned oscillating riddle screening device 31 has been horizontally set with first conveyer 41 and second conveyer 42 at left and right directions.Close the position of first conveyer 41 and second conveyer 42, and first conveyer 41 is positioned at the side (front portion of machine frame 33) near winnower winnowing machine 32, and second conveyer 42 is positioned at a side (rear portion of machine frame 33) far away apart from winnower winnowing machine 32.
Linking in the right part of first conveyer 41 with its long axis direction (throughput direction) and be the roughly conveyer 44 of winnowing of the form setting of above-below direction, the upper end of this conveyer 44 of winnowing and tanker 13 internal communication.
In this structure, grain, the branch putting in the screening portion 30 and leak down to the preceding grain sliding plate 35 of oscillating riddle screening device 31 obstruct the mixture that adheres to grain, underdone grain and ravine grass bits etc., in the process of leaking down to top sieve 38, utilize that winnower winnowing machine 32 produced from the place ahead of screening portion 30 towards the air-flow at rear, a part of ravine grass bits are rearward dispelled.Leak down grain to top sieve 38, branch stalk adheres to grain, underdone grain, and the ravine grass mixture of considering to be worth doing etc., by the swing of oscillating riddle screening device 31, is carried towards the rear.At this moment, grain, branch stalk adhere to grain, underdone grain, and ravine grass bits etc. fall towards the below from the peristome of top sieve 38, bigger millet straw bits are transported to top sieve 38 rears, process straw shaker 39 is discharged to outside the machine.
Grain, the branch stalk that falls from the peristome of top sieve 38 adhere to grain, underdone grain, and ravine grass bits etc. leak down to after on grain sliding plate 36 and the grain sieve 37.At this moment, also by coming from the screening wind of winnower winnowing machine 32, the part that the ravine grass is considered to be worth doing rearward dispels, separates.
The grain to grain sieve 37 of leaking down, branch stalk adhere to grain, underdone grain, and ravine grass bits etc. in, below grain, underdone grain, ravine grass are considered to be worth doing etc. and to be leaked down, to drop in grain sieve 37.At this moment, the grain that weight is bigger (the first grain thing) is recycled to the first grain thing recoverer 46 (be arranged on the recess of screening portion 30 bottom surfaces at the rear of grain sliding plate 45, contain first conveyer 41), and from first conveyer 41 through winnowing conveyer 44, be transported to tanker 13.
On the other hand, be mixed with the less underdone grain of weight, part ravine grass bits, disconnected fringe grain, or the grain that is untreated of grain etc., be blown to the rear by the screening wind that comes from winnower winnowing machine 32, and be recycled to the second grain thing recoverer 47 and (be arranged on the recess of screening portion 30 bottom surfaces at the first grain thing recoverer, 46 rears, contain second conveyer 42), then from second conveyer, 42 process secondary reduction conveyers 48, be transported to the branch stalk and handle cylinder 49, handle cylinder 49 by this branch stalk and remove discarding stalk, then, again it is put on the preceding grain sliding plate 35 (or on top sieve 38).
Then, with Fig. 4-Fig. 7 the structure of holding net 23 of shelling portion 20 is described.
Hold net 23, with tanker 13 sides (direct of travel right side) as inboard net 60, with feeding chain 9 sides (direct of travel right side) as front side net 61, be separated into the fringe point side and the root side of carrying the paddy stalk with this, on the line 100 of the fore-and-aft direction that send dirt mouth 27 front ends, link inboard net 60 and front side net 61 by linking part 65.
In above-mentioned linking part 65, in being formed on every side each screen frame 60a, 61a of inboard net 60 and front side net 61, at the body fore-and-aft direction at interval about equally on the position of distance, from the abutting part side of any one screen frame 60a (or 61a) towards outstanding a plurality of pin 62a, the 62a...... of being provided with of tangential direction, abutting part side at the opposing party's screen frame 61a (or 60a) is formed with patchhole, with corresponding with the outstanding position that is provided with each pin 62a.Like this, by front side net 61 being pressed into inboard net 60 sides, and pin 62a is fitted to patchhole, with this inboard net 60 and front side net 61 is linked up to constitute and hold guiding principle 23.Position or quantity that above-mentioned pin 62a is set do not limit, and its connecting structure is also unqualified, also can be with making the chimeric structure of jog etc.
In addition, tanker 13 sides at the 60a of screen frame portion of above-mentioned inboard net 60, make the position of body fore-and-aft direction and above-mentioned pin 62a be provided with a plurality of pin 62b in that tangential direction is outstanding roughly the samely, 62b......, by these pins 62b is entrenched on the support 66 as fixed part that is arranged at the body side, inboard net 60 is fixed on the body with this.On the other hand, feeding chain 9 sides at the 61a of screen frame portion of above-mentioned front side net 61 are fixed with the carriage 71 that is fixedly set in the body main body side, and front side net 61 is fixed on the body.Like this, will hold net 23 below threshing cylinder 22 is fixed on the body.
The above-mentioned net 23 that holds constitutes and can load and unload slave side side.That is to say, open feeding chain framework 81, can pull out circular-arcly or insert, load and unload along being arranged on framework 67 upper rails in slave side side, described feeding chain framework 81 is supporting the feeding chain 9 that can open and close with respect to the body side, and described framework 67 is arranged on the body side.Hold net 23, as above-mentioned, on circular arc portion, be divided into a plurality of structures (being two in the present embodiment) abreast with the shaft core direction of threshing cylinder 22, can make and hold net 23 and do not run into ground such as feeding chain 9 or shelling shell and load and unload, and can easily carry out handling operation to body.In addition, it is easy to manufacture to hold net 23, and its site of storage also can be saved the space.
As shown in Figure 6, the above-mentioned net 23 that holds forms with front side net 61 by above-mentioned inboard net 60 and overlooks roughly L word shape, and above-mentioned front side net 61 is compared with inboard net 60, and is long and outstanding a little towards the rear at fore-and-aft direction.This inboard net 60 and front side net 61 are set with thin metal plate body 63,64 on screen frame 60a, 61a, be equipped with square hole 73,74 at this plate body 63,64, constitute mesh-shape.So, by these holes 73,74, utilize threshing tooth 22a, 22a...... that the handled thing that comes off is leaked down to holding on the net 23.In the present embodiment, though being shaped as of hole 73,74 is square, also can be circle or polygonal etc.In addition, also can replace on plate body 63,64, constituting the mode in hole 73,74, and constitute with the net of weave yarn.
The size in above-mentioned hole 73 (aperture area in a hole) is greater than the size (aperture area in a hole) in hole 74, begin from the front at each predetermined interval with the part in the bigger hole 73 of configuration aperture area, configuration than the part of aperture 74, configuration order, hole 73,74 is arranged on holds on the net 23 than the part of macropore 73.That is to say, be positioned at the part of holding the lower front of the threshing cylinder 22 of width L1 before and after the having of net 23, be positioned at have before and after on the part of lower rear of threshing cylinder 22 of width L2, be provided with the bigger hole 73 of aperture area (mesh).On the other hand, on the part before and after being positioned at below the front and back central portion of the threshing cylinder of width L3, be provided with the less hole 74 of aperture area (mesh) as the having of other parts of holding net 23.
The above-mentioned net 23 that holds, as shown in Figure 7, dispose the part of the front and back width L1 in the bigger hole of aperture area 73, the top of grain sliding plate 35 before being positioned at, dispose the part of the front and back width L2 in the less hole of aperture area 74, be positioned at the past grain sliding plate 35 rear portions and play the top at the rear portion of sorting unit 50, perhaps be positioned at the top of grain sliding plate 36 after play at the rear portion of grain sliding plate 35 in the past, dispose the part of the front and back width L3 in the bigger hole of aperture area 73, be positioned at the middle part top, front and back of playing top sieve 38 or grain sieve 37 from the rear portion of sorting unit 50.Just, the part of front and back width L3 is positioned at the side that send dirt mouth 27 of threshing chamber 21.Thus, before the bigger hole 73 of aperture area of holding net 23 is configured in the top of grain sliding plate 35 and send dirt mouth 27 near, the hole 74 that aperture area is less is configured in the top of preceding grain sliding plate 35 rear portions and sorting unit 50.
By constituting in this wise, the forward part of holding net 23 in the lower front that is arranged in threshing cylinder 22, because the hole 73 of holding net 23 constitutes significantly, so the handled thing of threshing cylinder 22 leaks down easily to the preceding grain sliding plate 35 as the leading section of oscillating riddle screening device 31.Even carry the processing quantitative change of paddy stalk, threshing cylinder 22 many in a large number, also be not easy situation about stopping up, can promote can screen by preceding grain sliding plate 35 expeditiously in the leaking down of the handled thing that holds net 23 front portions.
In addition, on the front and back middle body that holds net 23 that is positioned at below the front and back central portion of threshing cylinder 22, be provided with the less hole 74 of aperture area of holding net 23, handled thing is difficult 74 to leak down from the hole.Therefore, after rough threshing, can utilize the rotation of threshing cylinder 22 to carry out the rubbing of paddy stalk fully, grain sliding plate 35 takes a large amount of grain of selection by winnowing via sorting unit 50, top sieve 38, back grain sliding plate 36 in the past, and refining grain is dropped on the first grain thing transporter 41.On the other hand, because the amount of the handled thing that leaks down from the less hole 74 of the aperture area that holds net 23 is less, so, can prevent that handled thing from concentrating and produce the phenomenon of obstruction etc. when when sorting unit 50 falls.Therefore, can prevent, can carry out Screening Treatment fully at the leading section of oscillating riddle screening device at the stopping state that holds net 23 front portions.Grain by threshing cylinder 22 abundant threshings etc., leak down from the rear section of holding net 23 that disposes the bigger hole of aperture area 73 easily, refining grain drops on first transporter 41 by top sieve 38, grain sieve 37, be mixed with the grain that is untreated of underdone grain, a part of ravine grass bits, disconnected fringe grain, grain, be sent to the rear by swing, simultaneously, rearward dispelled, be sent to the second grain thing recoverer 47 by the screening wind that comes from winnower winnowing machine 32.
In addition, be provided with on porose 73,74 the inboard net that holds net 23 60 and the front side net 61 facially as described above, disposing the dividing plate 76,77 of the specified altitude that forms by metal sheet material etc. in the direction of rotation of threshing cylinder 22.Just, dividing plate 76,77 is configured in left and right directions with respect to the body direct of travel, is configured to: parallel with the threshing tooth 22a of threshing cylinder 22, and therebetween when these threshing teeth 22a rotates.In inboard net 60, be provided with dividing plate 76 at the body fore-and-aft direction at interval outstanding abreast on the position of distance about equally, extend to the side end of tanker 13 from the abutting part of inboard net 60 and front side net 61.
On the other hand, in front side net 61, the outstanding dividing plate 77 that is provided with on the position on the front and back middle body and rear section except forward part, in distance at interval suitably extends to feeding chain 9 side ends from the abutting part of front side net 61 and inboard net 60.That is, this dividing plate 77 is provided in the part of the front and back width L3 that holds net 23 and the part of front and back width L2, particularly on the protuberance 23a that holds net 23 of L word shape; On the part of the front and back width L2 that is provided with the bigger hole of aperture area 73, the interval between the adjacent dividing plate 77,77 is than narrower between the width L3 of front and back, and is configured to uniformly-spaced, can promote the shelling performance.This protuberance 23a is latter half of the paddy stalk carrying path 9a's of feeding chain 9, is positioned at the lower rear of threshing cylinder 21.If on part, dividing plate 77 is set as the front and back width L1 of the forward part of front side net 61, then when carrying a large amount of paddy stalks, the existence of this dividing plate 77 can counteract the conveying and the flailing action of paddy stalk on the contrary, so dividing plate 77 is not configured on the forward part of front side net 61.
Thus, giving prominence to respectively on the inboard net 60 and front side net 61 that is provided with a plurality of aforementioned barriers 76,77, forward part at front side net 61 does not dispose dividing plate 77, therefore can not make from the paddy stalk of holding up standing grain, reaping part 3 to transport and near the inlet of shelling portion 20, stagnate, can be swimmingly in threshing chamber 21, carry and carry out threshing, and can prevent near the inlet of shelling, to produce and stop up by the threshing tooth.Paddy stalk by feeding chain 9 is carried floats towards the top by the aforementioned barriers 76,77 that is configured in the rear portion of holding net 23, is pushed downwards by threshing tooth 22a, 22a simultaneously.Therefore, can make threshing tooth 22a, 22a...... be connected to the paddy stalk effectively, can improve the flailing action of threshing tooth 22a, 22a......, and reduce the situation that does not have threshing.
In addition, as Fig. 5, shown in Figure 8,, that is,, be equipped with front side net compacting part 80 in feeding chain 9 one sides in the above-mentioned outside of holding net 23.Front side net compacting part 80 forms and holds the roughly the same radius of curvature of net 23, and is configured on the extension that forms the front side net 61 that holds net 23.In addition, this front side net compacting part 80 is fixedly installed on the feeding chain framework 81 that can support feeding chain 9 with opening and closing and is set to one, forms the structure that opens and closes with feeding chain framework 190.In this structure, the feeding chain framework 81 that front side net compacting part 80 will be wound with feeding chain 9 is locked in the body side, and can be not crooked with its side that is pressed into feeding chain 9 sides of front side net 61.
And, on the side of the inboard of this front side net compacting part 81 (face relative) with the outer peripheral face of threshing cylinder 22, with along the mode that is arranged on the dividing plate 77 on above-mentioned inboard net 60 or the front side net 61, equidirectional (on the extension) or outstanding abreast a plurality of stop member 82, the 82...... that constitutes by bar or sheet material etc. that be provided with.Stop member 82,82...... suitable distance at interval are configured on the corresponding position of part with as the front and back width L2 that holds net 23 of above-mentioned protuberance 23a, each stop member 82 is configured on the extension of this dividing plate 77 in the mode that is positioned at continuously on the dividing plate 77.In the present embodiment, though only on the part of the front and back width L2 that holds net 23, dispose stop member 82, also can be at the part of the front and back width L3 that holds net 23 or the part configuration stop member of front and back width L1.
Above-mentioned stop member 82, its height H 1 is lower than the height H 2 of dividing plate 77.That is to say, constitute the height H 1 that is higher than stop member 82, make the overlapping scope of the threshing tooth 22a and the dividing plate 77 of above-mentioned threshing cylinder 23, greater than the overlapping scope of threshing tooth 22a and stop member 82 by height H 2 with dividing plate 77.
By constituting in this wise, when the paddy stalk being carried in threshing apparatus towards the rear by feeding chain 9, with dividing plate 76,77 in the same manner, by this stop member 82 the paddy stalk is floated upward, if make threshing tooth 22a rotation this moment, then the contact length of paddy stalk and threshing tooth is elongated, can improve the efficient of threshing.That is to say,,, can reduce the situation that does not have threshing so can improve the flailing action of threshing tooth 22a owing to can make the paddy stalk be connected to the threshing tooth effectively.And, owing to by dividing plate 76,77 and stop member 32 counter-rotating of paddy stalk is carried it towards the rear on one side on one side, so can improve the efficient of threshing.
In the fringe point side of paddy stalk,,, the thicker stalk root side of paddy stalk can not shredded or bending owing to the resistance of stop member so can improve the threshing efficiency that holds on the net 23 because the overlapping scope of threshing tooth 23a and dividing plate 77 becomes bigger.And stop member 82,82...... apply resistance when the paddy stalk utilizes feeding chain 9 to carry, and by making the vibration of paddy stalk when the shelling, can shake off thorn grain (a thorn Chi り grain) in the root side of paddy stalk, and it is fallen to screening portion 30.
And, because stop member 82 is configured on the extension of this dividing plate 77, make itself and dividing plate 77 continuous, so this stop member 82 and dividing plate 77 can roughly act on the paddy stalk by feeding chain 9 conveyings simultaneously.Therefore, be not easy to destroy the posture of the paddy stalk of conveying, can carry out the threshing action effectively.
Holding in the net of threshing apparatus of the present invention, can prevent the obstruction that causes owing to handled thing, and in threshing apparatus, even also can carry out Screening Treatment fully at the leading section of screening portion.
Claims (6)
- A threshing apparatus hold net, be disposed at around below the threshing cylinder in the threshing chamber of fore-and-aft direction crossbearer at threshing apparatus, it is characterized in that,Have forward part, rear section and front and back middle body, the hole of this forward part and this rear section is set to bigger than the hole of this front and back middle body.
- Threshing apparatus as claimed in claim 1 hold net, it is characterized in that, in above-mentioned above-mentioned rear section of holding net, a plurality of dividing plates are set continuously abreast with the direction of rotation of above-mentioned threshing cylinder shape, and on above-mentioned forward part, do not dispose dividing plate.
- 3 one kinds of threshing apparatus, be disposed at the top of the oscillating riddle screening device of sorting unit with preceding grain sliding plate and its rear, it is characterized in that, in its threshing chamber, carry and use feeding chain along the paddy stalk at the past direction rear, at fore-and-aft direction crossbearer threshing cylinder, net is held in configuration around below this threshing cylinder, make the front portion of sending the dirt mouth of sending the dirt mouth to handle cylinder and below thereof relative with the side, rear portion of this threshing cylinder, this forward part of holding net is configured in the top of this preceding grain sliding plate, its rear section is configured in the side that this send the dirt mouth, central portion before and after it is configured in the top of this sorting unit, and the hole of this forward part and this rear section is set to bigger than the hole of this front and back middle body.
- 4. threshing apparatus as claimed in claim 3 is characterized in that, in above-mentioned above-mentioned rear section of holding net, a plurality of dividing plates is set continuously abreast with the direction of rotation of above-mentioned threshing cylinder shape, and does not dispose dividing plate on above-mentioned forward part.
- 5. as claim 3 or 4 described threshing apparatus, it is characterized in that, the above-mentioned net that holds, be fixed in the threshing chamber by the end of front side net compacting part above-mentioned feeding chain side, on this front side net compacting part, a plurality of stop members are set abreast on the extension of aforementioned barriers with the threshing cylinder direction of rotation.
- 6. threshing apparatus as claimed in claim 5 is characterized in that, the height of aforementioned barriers is arranged to height height than the stop member of above-mentioned front side net compacting part.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP332490/2003 | 2003-09-24 | ||
| JP2003332490A JP3846886B2 (en) | 2003-09-24 | 2003-09-24 | Threshing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1856246A true CN1856246A (en) | 2006-11-01 |
| CN100421539C CN100421539C (en) | 2008-10-01 |
Family
ID=34373095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004800277663A Expired - Fee Related CN100421539C (en) | 2003-09-24 | 2004-09-14 | Threshing device and receiving net of the device |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP3846886B2 (en) |
| KR (1) | KR100854166B1 (en) |
| CN (1) | CN100421539C (en) |
| TW (2) | TWM287574U (en) |
| WO (1) | WO2005027618A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101530037B (en) * | 2008-03-14 | 2011-02-09 | 洋马株式会社 | Threshing apparatus |
| CN112119772A (en) * | 2019-06-25 | 2020-12-25 | 株式会社久保田 | Threshing device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5810804B2 (en) * | 2011-09-29 | 2015-11-11 | 井関農機株式会社 | Threshing device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07184464A (en) * | 1993-12-27 | 1995-07-25 | Iseki & Co Ltd | Receiving net for thresher |
| EP0841001B1 (en) * | 1996-11-12 | 2002-01-02 | New Holland Belgium N.V. | Concave latch mechanism for an agricultural combine |
| JP3245577B2 (en) * | 1999-06-29 | 2002-01-15 | 山形日本電気株式会社 | Error correction device |
| JP2001161154A (en) * | 1999-12-07 | 2001-06-19 | Yanmar Agricult Equip Co Ltd | Threshing device for combine harvester |
| JP3784338B2 (en) * | 2002-03-07 | 2006-06-07 | 株式会社クボタ | Threshing device |
| JP3777335B2 (en) * | 2002-03-07 | 2006-05-24 | 株式会社クボタ | Threshing device |
| JP3973452B2 (en) * | 2002-03-07 | 2007-09-12 | 株式会社クボタ | Threshing device |
-
2003
- 2003-09-24 JP JP2003332490A patent/JP3846886B2/en not_active Expired - Fee Related
- 2003-10-09 TW TW94216737U patent/TWM287574U/en not_active IP Right Cessation
- 2003-10-09 TW TW092128193A patent/TW200511928A/en unknown
-
2004
- 2004-09-14 KR KR20067005850A patent/KR100854166B1/en not_active IP Right Cessation
- 2004-09-14 CN CNB2004800277663A patent/CN100421539C/en not_active Expired - Fee Related
- 2004-09-14 WO PCT/JP2004/013374 patent/WO2005027618A1/en active Application Filing
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101530037B (en) * | 2008-03-14 | 2011-02-09 | 洋马株式会社 | Threshing apparatus |
| CN112119772A (en) * | 2019-06-25 | 2020-12-25 | 株式会社久保田 | Threshing device |
Also Published As
| Publication number | Publication date |
|---|---|
| KR100854166B1 (en) | 2008-08-26 |
| WO2005027618A1 (en) | 2005-03-31 |
| TWM287574U (en) | 2006-02-21 |
| KR20060126943A (en) | 2006-12-11 |
| JP3846886B2 (en) | 2006-11-15 |
| TW200511928A (en) | 2005-04-01 |
| JP2005095057A (en) | 2005-04-14 |
| CN100421539C (en) | 2008-10-01 |
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Granted publication date: 20081001 Termination date: 20110914 |